import Vue from 'vue'
import VueI18n from 'vue-i18n'
// import Cookies from 'js-cookie'
import elementEnLocale from 'element-ui/lib/locale/lang/en' // element-ui lang
import elementZhLocale from 'element-ui/lib/locale/lang/zh-CN' // element-ui lang
import elementEsLocale from 'element-ui/lib/locale/lang/es' // element-ui lang
import elementJaLocale from 'element-ui/lib/locale/lang/ja' // element-ui lang
import enLocale from './en'
import zhLocale from './zh'
import esLocale from './es'
import jaLocale from './ja'

Vue.use(VueI18n)

const messages = {
        en: {
            ...enLocale,
            ...elementEnLocale
        },
        zh: {
            ...zhLocale,
            ...elementZhLocale
        },
        es: {
            ...esLocale,
            ...elementEsLocale
        },
        ja: {
            ...jaLocale,
            ...elementJaLocale
        }
    }
    // export function getLanguage() {
    //     const chooseLanguage = Cookies.get('language')
    //     if (chooseLanguage) return chooseLanguage

//     // if has not choose language
//     const language = (navigator.language || navigator.browserLanguage).toLowerCase()
//     const locales = Object.keys(messages)
//     for (const locale of locales) {
//         if (language.indexOf(locale) > -1) {
//             return locale
//         }
//     }
//     return 'en'
// }
const i18n = new VueI18n({
    // set locale
    // options: en | zh | es
    // locale: getLanguage(),
    // set locale messages

    locale: 'zh',
    messages
})

export default i18n